Finding the Fourth Proportional to 709,831.26, 1,064,756.12 and 204,400.53
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Solution
The fourth proportional to 709,831.26, 1,064,756.12 and 204,400.53 is: 306,603.45
Step by Step Solution
- Step 1: Write the proportion equation
709,831.26 : 1,064,756.12 = 204,400.53 : x - Step 2: Convert to fraction form
709,831.26/1,064,756.12 = 204,400.53/x - Step 3: Cross multiply
709,831.26x = 1,064,756.12 × 204,400.53 - Step 4: Simplify right side
709,831.26x = 217,636,714,226.74 - Step 5: Solve for x
x = 217,636,714,226.74/709,831.26 - Step 6: Final answer
x = 306,603.45
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1.5x scale
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.